/Engine/Source/Runtime/AudioMixer/Public/Quartz/AudioMixerClockHandle.h
Metronome subscription.
void SubscribeToQuantizationEvent ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * WorldContextObject, EQuartzCommandQuantization InQuantizationBoundary, const [FOnQuartzMetronomeEventBP](API\Runtime\Engine\Sound\FOnQuartzMetronomeEventBP) & OnQuantizationEvent, [UQuartzClockHandle](API\Runtime\AudioMixer\Quartz\UQuartzClockHandle) *& ClockHandle )